/Engine/Source/Runtime/SoundFieldRendering/Public/SoundFieldRendering.h
void DecodeAudioToSevenOneAndDownmixToDevice ( const [FAmbisonicsSoundfieldBuffer](API\Runtime\SoundFieldRendering\FAmbisonicsSoundfieldBuffer) & InputData, const [FSoundfieldSpeakerPositionalData](API\Runtime\AudioExtensions\FSoundfieldSpeakerPositionalData) & OutputPositions, [Audio::FAlignedFloatBuffer](API\Runtime\SignalProcessing\DSP\FAlignedFloatBuffer) & OutputData )